Luminescent solar collector
AssigneeSabic Innovative Plastics IP B.V.
InventorsKankan Bhaumik, Jeremy D. Hurst, Pradeep Jeevaji Nadkarni, Nedumbamana Sankaran, Suresh Velate
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Abstract
Disclosed are fluorescent dye compounds of Formula (I) or (II): where R, R′, m and k are as described herein. The dye compounds are suitable for use in luminescent solar collectors. Methods of making the dye compounds and luminescent solar collectors comprising them are also described.
Claims7
A fluorescent dye selected from the group consisting of Formula (I) and Formula (II):
- wherein each R and R′ is independently selected from C8-C18 alkyl, substituted C8-C18 alkyl, C8-C18 alkoxy, substituted C8-C18 alkoxy, and halogen;
- m represents the number of R substitutents on each phenoxy ring, wherein each m is independently an integer from 0 to 5;
- and k represents the number of R′ substituents on each benzimidazole group, wherein each k is independently an integer from 0 to 4;
- and
- wherein each phenoxy ring is substituted in only the para position with an R group independently selected from C8-C18 alkyl.
A fluorescent dye selected from the group consisting of Formula (I) and Formula (II):
- wherein each R and R′ is independently selected from C8-C18 alkyl, substituted C8-C18 alkyl, C8-C18 alkoxy, substituted C8-C18 alkoxy, and halogen;
- m represents the number of R substitutents on each phenoxy ring, wherein each m is independently an integer from 0 to 5;
- and k represents the number of R′ substituents on each benzimidazole group, wherein each k is independently an integer from 0 to 4;
- and
- wherein the fluorescent dye has a quantum yield of about 80% or greater.
A fluorescent dye selected from the group consisting of Formula (I) and Formula (II):
- wherein each R and R′ is independently selected from C8-C18 alkyl, substituted C8-C18 alkyl, C8-C18 alkoxy, substituted C8-C18 alkoxy, and halogen;
- m represents the number of R substitutents on each phenoxy ring, wherein each m is independently an integer from 0 to 5;
- and k represents the number of R′ substituents on each benzimidazole group, wherein each k is independently an integer from 0 to 4;
- and
- wherein the fluorescent dye has a maximum absorption wavelength of from about 600 nm to 650 nm and has a maximum emission wavelength of 650 nm or greater.
A fluorescent dye selected from the group consisting of Formulas (Ill), (IV), (V), and (VI):
Dependencies are inferred from the claim text.